SecureKnowledge Weekly - ClusterXL ATRG

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For almost two decades, ClusterXL remains one of the most complex elements of Check Point Security Architecture, and probably the most used one. It is hard to imagine a modern security system without built-in redundancy for Security Gateways. To build it in the most effective way, understanding is the key. 

Here is the best document about Check Point clustering that you could find - ClusterXL Advanced Technical Reference Guide

It thoroughly describes everything you ever need when planning, deploying and troubleshooting Check Point clusters:

• introduction to clustering,
• state synchronization
• ClusterXL modes and configuration
• fail-overs and state transitions
• descriptions of Cluster Control Protocol (CCP)
• monitoring, troubleshooting and debugging techniques
• and explanation of how to work with kernel parameters

For both experts and beginners, this is something to keep among one's bookmarks.